@import './../../static/css/commen.css';

.bfc{
  background: yellow;
}
.bfc p {
  margin: 30px;
  background: green;
}
.left{
  float: left;
  height: 200px;
  background: red;
}
.formargin{
  margin: 200px;
  background: palevioletred;
}
.formargin .oh{
  margin: -200px;
  background: red;
}